3GPP Long Term Evolution (LTE) Application Programming Interfaces (API's) are pre-compiled and optimized C function libraries for encoding and decoding protocol messages defined within 3GPP standards documents that define ASN.1-based messages (EUTRA-RRC, S1AP, and X2AP).
API's are also available for older, 3G standard ASN.1-based API's such as NBAP, RANAP, RNSAP and RRC.
3GPP TS 36.331
Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification.
LTE-RRC Release 8 C API for Windows | |
LTE-RRC Release 9 C API for Windows | |
LTE-RRC Release 10 C API for Windows | |
LTE-RRC Release 11 C API for Windows |
3GPP TS 36.413
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 Application Protocol (S1AP)
S1AP Release 8 C API for Windows | |
S1AP Release 9 C API for Windows | |
S1AP Release 10 C API for Windows | |
S1AP Release 11 C API for Windows |
3GPP TS 36.423
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 Application Protocol (X2AP)
X2AP Release 8 C API for Windows | |
X2AP Release 9 C API for Windows | |
X2AP Release 10 C API for Windows | |
X2AP Release 11 C API for Windows |
3GPP TS 24.007 24.008 24.011
Mobile radio interface signalling layer 3; General Aspects, Core network protocols, and SMS
NAS Release 8 thru 11 C API for Windows VS 2008 | |
NAS Release 8 thru 11 C API for Linux 32-bit gcc 4.x |
3GPP TS 25.433
UTRAN Iub interface Node B Application Part (NBAP) signalling
NBAP Release 8 C API for Windows | |
NBAP Release 9 C API for Windows | |
NBAP Release 10 C API for Windows | |
NBAP Release 11 C API for Windows |
3GPP TS 25.413
UTRAN Iu interface Radio Access Network Application Part (RANAP) signalling
RANAP Release 8 C API for Windows | |
RANAP Release 9 C API for Windows | |
RANAP Release 10 C API for Windows | |
RANAP Release 11 C API for Windows |
3GPP TS 25.423
UTRAN Iur interface Radio Network Subsystem Application Part (RNSAP) signalling
RNSAP Release 8 C API for Windows | |
RNSAP Release 9 C API for Windows | |
RNSAP Release 10 C API for Windows | |
RNSAP Release 11 C API for Windows |
3GPP TS 25.331
Radio Resource Control (RRC); Protocol specification
RRC Release 8 C API for Windows | |
RRC Release 8 C++ API for Windows | |
RRC Release 9 C API for Windows | |
RRC Release 10 C API for Windows | |
RRC Release 11 C API for Windows |